code: def list_actions(self, context):
      return [
          ("get-trace-id", "Get the trace context ID."),
      ]
  
imports: import argparse
  import sys
  import threading
  import uuid
  import pyarrow
  import pyarrow.flight
label_desc: Use image node_id 2 for calling the FlightServer obj's underlying member method code with example usage: obj.list_actions(context) and returns: list